Dynamic Response Analysis of the Coal Gangue-like Elastic Rock Sphere Impact on the Massless Tail Beam Based on Contact-Structure Theory and FEM

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Density (kg/m<sup>3</sup>)</td><td class="align_center">Young’s modulus (Pa)</td><td class="align_center">Poisson’s ratio</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Coal</td><td class="align_center">1380</td><td class="align_center">2.20<i>e</i> + 9</td><td class="align_center">0.28</td></tr><tr><td class="align_left">Sandstone</td><td class="align_center">2487</td><td class="align_center">1.35<i>e</i> + 10</td><td class="align_center">0.123</td></tr><tr><td class="align_left">Marble</td><td class="align_center">2800</td><td class="align_center">3.40<i>e</i> + 10</td><td class="align_center">0.3</td></tr><tr><td class="align_left">Q345</td><td class="align_center">7850</td><td class="align_center">2.06<i>e</i> + 11</td><td class="align_center">0.3</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Material parameters of coal gangue and Q345.</div>

Shock and Vibration

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Table 4

Table 4: Dynamic Response Analysis of the Coal Gangue-like Elastic Rock Sphere Impact on the Massless Tail Beam Based on Contact-Structure Theory and FEM 

Table 4 | Dynamic Response Analysis of the Coal Gangue-like Elastic Rock Sphere Impact on the Massless Tail Beam Based on Contact-Structure Theory and FEM 